Kernel release status

The current stable 2.6 release is 2.6.15.3, released on February 6. It contains a single, one-line fix for a remotely-exploitable denial of service vulnerability in the ICMP code.

The 2.6.15.4 release is under review as of this writing. It is a rather larger patch with almost two dozen important fixes.

The current 2.6 prepatch is 2.6.16-rc2, released by Linus on February 2. In addition to the expected big pile of fixes, this prepatch adds another set of semaphore-to-mutex conversions, a USB driver for ET61X151 and ET61X251 camera controllers, a big Video4Linux update, the direct migration patches, some slab allocator tweaks for NUMA machines, several new system calls (openat() and friends, pselect(), ppoll()), a big ACPI update, and the EDAC error detection/correction code. The long-format changelog has lots of details.

The mainline git repository contains almost 500 post-rc2 patches as of this writing. They are dominated by fixes, but there is also a patch to export the system's CPU topology in sysfs, parallel port support for SGI O2 systems, administrator-changeable permissions in configfs, an OCFS2 update, the unshare() system call, and various architecture updates.

The current -mm tree is 2.6.16-rc2-mm1. Recent changes to -mm include a rework of the mempool code, a new version of the core timekeeping and NTP rework patches, better scheduler support for multicore systems, a feature for forcing kernel allocations to be spread across NUMA nodes, and an LED driver subsystem.

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